Datasheet > LTC2226

LTC2226

更新时间： 2023-12-20 18:44:44

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	429K
描述
12 位、25Msps 低功率 3V ADC

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数据手册

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LTC2226 数据手册

LTC2228/LTC2227/LTC2226

12-Bit, 65/40/25Msps

Low Power 3V ADCs

FEATURES

DESCRIPTION

The LTC^®2228/LTC2227/LTC2226 are 12-bit 65Msps/

40Msps/25Msps, low power 3V A/D converters designed

for digitizing high frequency, wide dynamic range signals.

The LTC2228/LTC2227/LTC2226 are perfect for demand-

ing imaging and communications applications with AC

performance that includes 71.3dB SNR and 90dB SFDR

for signals at the Nyquist frequency.

Sample Rate: 65Msps/40Msps/25Msps

Single 3V Supply (2.7V to 3.4V)

Low Power: 205mW/120mW/75mW

71.3dB SNR

90dB SFDR

No Missing Codes

Flexible ꢀnput: 1V to 2V Range

575MHz Full Power Bandwidth S/H

P-P

DC specs include 0.3LSB ꢀNL ꢁtypꢂ, 0.15LSB DNL ꢁtypꢂ

and no missing codes over temperature. The transition

noise is a low 0.25LSB

Clock Duty Cycle Stabilizer

Shutdown and Nap Modes

RMS

Pin Compatible Family

A single 3V supply allows low power operation. A separate

output supply allows the outputs to drive 0.5V to 3.6V

logic.

125Msps: LTC2253 ꢁ12-Bitꢂ, LTC2255 ꢁ14-Bitꢂ

105Msps: LTC2252 ꢁ12-Bitꢂ, LTC2254 ꢁ14-Bitꢂ

80Msps: LTC2229 ꢁ12-Bitꢂ, LTC2249 ꢁ14-Bitꢂ

65Msps: LTC2228 ꢁ12-Bitꢂ, LTC2248 ꢁ14-Bitꢂ

40Msps: LTC2227 ꢁ12-Bitꢂ, LTC2247 ꢁ14-Bitꢂ

25Msps: LTC2226 ꢁ12-Bitꢂ, LTC2246 ꢁ14-Bitꢂ

10Msps: LTC2225 ꢁ12-Bitꢂ, LTC2245 ꢁ14-Bitꢂ

32-Pin ꢁ5mm × 5mmꢂ QFN Package

Asingle-endedCLKinputcontrolsconverteroperation.An

optionalclockdutycyclestabilizerallowshighperformance

at full speed for a wide range of clock duty cycles.

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

APPLICATIONS

Wireless and Wired Broadband Communication

ꢀmaging Systems

Ultrasound

Spectral Analysis

Portable ꢀnstrumentation

TYPICAL APPLICATION

LTC2228: SNR vs Input Frequency,

–1dB, 2V Range, 65Msps

REFH

FLEXꢀBLE

REFERENCE

REFL

D11

12-BꢀT

PꢀPELꢀNED

ADC CORE

•

CORRECTꢀON

LOGꢀC

ANALOG

ꢀNPUT

OUTPUT

DRꢀVERS

ꢀNPUT

S/H

–

OGND

CLOCK/DUTY

CYCLE

CONTROL

100

150

200

ꢀNPUT FREQUENCY ꢁMHzꢂ

222876 TA01

2228 G09

CLK

222876fb

12 3 4 5 6 7...28

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